Inside NASA's audacious plan to build a nuclear-powered moon base

The end of the historic Artemis II mission kicks off a race to establish a permanent human presence on the moon.

How and When to Watch NASA’s Artemis II Splash Down in Pacific Ocean

NASA will stream video of the spacecraft’s return to Earth starting at 6:30 p.m. Friday. You can watch it on NASA’s YouTube ...

Police arrest a suspect in a Molotov attack at OpenAI CEO’s San Francisco home

Police and OpenAI officials say a 20-year-old man suspected of throwing a Molotov cocktail at CEO Sam Altman's San Francisco ...
Public Broadcasting Service (PBS)

How will NASA get the Artemis II crew safely back on Earth? Here's the science behind splashdown

While splashdown can be harrowing – the spacecraft will hurdle through the atmosphere faster than the speed of sound and ...

Live Updates: U.S., Iran prepare for talks as shaky ceasefire holds, Strait of Hormuz traffic remains low

The U.S. and Iran are getting ready for talks Saturday in Islamabad, Pakistan, as their tenuous ceasefire held despite key ...